The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 13, 2022
Filed:
Oct. 25, 2019
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Katholieke Universiteit Leuven of Ku Leuven Research & Development, Leuven, BE;
Kyoung Jin Chang, Suwon-si, KR;
Claus Claeys, Leuven, BE;
Wim Desmet, Sint-Joris-Weert, BE;
Bert Pluymers, Geetbets, BE;
Elke Deckers, Hechtel-Eksel, BE;
Lucas Van Belle, Heverlee, BE;
Noé Geraldo Rocha De Melo Filho, Leuven, BE;
Hyundai Motor Company, Seoul, KR;
Kia Motors Gorporation, Seoul, KR;
Katholieke Universiteit Leuven of KU Leuven Research & Development, Leuven, BE;
Abstract
A vibration reduction device having an acoustic meta structure mounted to a vehicle body and configured to block a structure-borne noise transmitted through the vehicle body may include a plurality of unit structures arranged at a predetermined interval therebetween, wherein each of the unit structures includes frame mounted to the vehicle body and configured to separate a predetermined space into a predetermined number of separate sections formed by walls of the frame; and a vibrator formed at a corner portion of each of the separate sections and each of which has a natural frequency to block a vibration transmitted from the vehicle body through the frame.